Myfriendtoldmethatma的精选

问题详情：Myfriendtoldmethatmanyfactoriesinhiscity________toclosedownbecauseofincreasingcosts.A．havebeenforced    B．haveforced    C．hadbeenforced  D．hadforced【回答】C知识点：动词时态与语态题型：选择...